One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,11)(4,14)(5,8)(6,16)(7,10)(9,12)(13,15)(17,18)(19,23,28,37)(20,30)(21,33)(22,25)(24,31)(26,34)(27,39,40,48)(29,43,42,36)(32,44)(35,46,47,41)(38,45)(1,3,12,8,6,13,15,16,5,9,11,2,7,14,4,10)(17,19,22,28)(18,23)(20,27,32,40)(21,29,34,42)(24,35)(25,37)(26,36)(30,39)(31,41,45,46)(33,43)(38,47)(44,48)(2,8)(3,9)(10,16)(13,14)(17,20,21,31,22,32,34,45)(18,24,26,30,25,38,33,44)(19,27,29,41,28,40,42,46)(23,35,36,39,37,47,43,48)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.